公开(公告)号：US20160141555A1

公开(公告)日：2016-05-19

申请号：US14939579

申请日：2015-11-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Ki-Woog SONG ,  JeongHaeng HEO ,  Taeil KUM ,  Seung KIM ,  Heedong CHOI ,  HyungJune KIM

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5278 ,  H01L27/3209 ,  H01L51/504 ,  H01L51/5265 ,  H01L2251/558

Abstract: Discussed is an organic light emitting display device for reducing a color defect or a color difference which occurs in the front or side of the organic light emitting display device. The organic light emitting display device can include a first electrode, a second electrode and an organic layer between the first electrode and the second electrode, the organic layer including at least one emission part. The organic layer is configured for a peak wavelength of an electroluminescence (EL) spectrum of the organic light emitting display device emitted from the at least one emission part to have a range from 10 nm less a predetermined peak wavelength to 10 nm more than the predetermined peak wavelength.

Abstract translation: 讨论了用于减少发生在有机发光显示装置的正面或侧面的颜色缺陷或色差的有机发光显示装置。 有机发光显示装置可以包括在第一电极和第二电极之间的第一电极，第二电极和有机层，有机层包括至少一个发射部分。 有机层被配置为从至少一个发射部分发射的有机发光显示装置的电致发光（EL）光谱的峰值波长，具有比预定的峰值波长少10nm的范围 峰值波长。

公开(公告)号：US20180076418A1

公开(公告)日：2018-03-15

申请号：US15814194

申请日：2017-11-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Gwijeong CHO ,  ChangWook HAN ,  Taeil KUM ,  Taeshick KIM ,  Heedong CHOI ,  JiYoung KIM ,  Mingyu LEE ,  TaeSeok LIM

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5278 ,  H01L27/3206 ,  H01L27/3209 ,  H01L27/3244 ,  H01L51/5044 ,  H01L2251/558

Abstract: An organic light emitting display device can include a first electrode on a substrate; a first emission part on the first electrode, the first emission part including a first emission layer; a second emission part on the first emission part, the second emission part including a second emission layer; a third emission part on the second emission part, the third emission part including a third emission layer; and a second electrode on the third emission part, in which a first thickness between the substrate and the first emission layer, a second thickness between the first emission layer and the second emission layer, a third thickness between the second emission layer and the third emission layer, and a fourth thickness between the third emission layer and the second electrode are different from each other, and the first, second emission, and third emission parts include at least one organic layer.

公开(公告)号：US20170133618A1

公开(公告)日：2017-05-11

申请号：US15409029

申请日：2017-01-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Taeil KUM ,  Gwijeong CHO ,  KiWoog SONG ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5044 ,  H01L51/002 ,  H01L51/504 ,  H01L51/5278 ,  H01L2251/558

Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.

公开(公告)号：US20160164042A1

公开(公告)日：2016-06-09

申请号：US14960918

申请日：2015-12-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Gwijeong CHO ,  ChangWook HAN ,  Taeil KUM ,  Taeshick KIM ,  Heedong CHOI ,  JiYoung KIM ,  Mingyu LEE ,  TaeSeok LIM

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5278 ,  H01L27/3206 ,  H01L27/3209 ,  H01L27/3244 ,  H01L51/5044 ,  H01L2251/558

Abstract: Discussed is an organic light emitting display device. The organic light emitting display device according to an embodiment includes a first electrode and a second electrode on a substrate to be opposite to each other and at least three emission parts between the first electrode and the second electrode. A first distance between the substrate and the first emission layer, a second distance between the first emission layer and the second emission layer, a third distance between the second emission layer and the third emission layer, and a fourth distance between the third emission layer and the second electrode are different from each other.

Abstract translation: 讨论的是有机发光显示装置。 根据实施例的有机发光显示装置包括彼此相对的基板上的第一电极和第二电极以及第一电极和第二电极之间的至少三个发射部分。 基板与第一发射层之间的第一距离，第一发射层和第二发射层之间的第二距离，第二发射层和第三发射层之间的第三距离，以及第三发射层和第三发射层之间的第四距离 第二电极彼此不同。

公开(公告)号：US20150372250A1

公开(公告)日：2015-12-24

申请号：US14710154

申请日：2015-05-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Taeil KUM ,  Gwijeong CHO ,  KiWoog SONG ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5044 ,  H01L51/002 ,  H01L51/504 ,  H01L51/5278 ,  H01L2251/558

Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.

Abstract translation: 本发明提供一种白色有机发光装置，其能够提高装置的异常发光，效率和可靠性。 根据本发明的示例性实施例的白色有机发光器件包括：第一发光单元，包括在第一电极和第二电极之间的第一发光层; 第二发光单元，包括在第一发光单元上的第二发光层; 以及第一发光单元和第二发光单元之间的电荷产生层，电荷产生层中的金属体积为电荷产生层总体积的1.0％以下。